From d27745e4fbaa038ab5cfd7688a184b1fac04bd14 Mon Sep 17 00:00:00 2001
From: Howard Hinnant <hhinnant@apple.com>
Date: Wed, 16 Jan 2013 17:56:06 +0000
Subject: [PATCH] Make a few tests optimization-proof.  These tests were
 failing under -O3 because the optimizer was eliminating the call to new.

llvm-svn: 172631
---
 .../new.delete/new.delete.array/new_array.pass.cpp              | 2 +-
 .../new.delete/new.delete.array/new_array_nothrow.pass.cpp      | 2 +-
 .../new.delete.array/new_array_nothrow_replace.pass.cpp         | 2 +-
 .../new.delete/new.delete.array/new_array_replace.pass.cpp      | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array.pass.cpp b/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array.pass.cpp
index b7cfdbeaf76f..63f847f4d04e 100644
--- a/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array.pass.cpp
+++ b/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array.pass.cpp
@@ -35,7 +35,7 @@ int main()
     std::set_new_handler(new_handler);
     try
     {
-        void* vp = operator new[] (std::numeric_limits<std::size_t>::max());
+        void*volatile vp = operator new[] (std::numeric_limits<std::size_t>::max());
         assert(false);
     }
     catch (std::bad_alloc&)
diff --git a/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow.pass.cpp b/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow.pass.cpp
index 6537afe8b39b..60bc7c40928b 100644
--- a/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow.pass.cpp
+++ b/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow.pass.cpp
@@ -35,7 +35,7 @@ int main()
     std::set_new_handler(new_handler);
     try
     {
-        void* vp = operator new [] (std::numeric_limits<std::size_t>::max(), std::nothrow);
+        void*volatile vp = operator new [] (std::numeric_limits<std::size_t>::max(), std::nothrow);
         assert(new_handler_called == 1);
         assert(vp == 0);
     }
diff --git a/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow_replace.pass.cpp b/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow_replace.pass.cpp
index 3d836969eecd..9bf6e8a8cebf 100644
--- a/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow_replace.pass.cpp
+++ b/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array_nothrow_replace.pass.cpp
@@ -29,7 +29,7 @@ void  operator delete(void* p) throw()
     std::free(p);
 }
 
-int A_constructed = 0;
+volatile int A_constructed = 0;
 
 struct A
 {
diff --git a/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array_replace.pass.cpp b/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array_replace.pass.cpp
index c01945e98eec..959bc450fa4f 100644
--- a/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array_replace.pass.cpp
+++ b/libcxx/test/language.support/support.dynamic/new.delete/new.delete.array/new_array_replace.pass.cpp
@@ -15,7 +15,7 @@
 #include <cassert>
 #include <limits>
 
-int new_called = 0;
+volatile int new_called = 0;
 
 void* operator new(std::size_t s) throw(std::bad_alloc)
 {
-- 
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